.youtube_lazy{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  cursor:pointer;
  overflow:hidden;
  background:#000;
}

.youtube_lazy img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.youtube_lazy .playbtn{
  position:absolute;
  top:50%;
  left:50%;
  width:70px;
  height:50px;
  transform:translate(-50%,-50%);
  background:red;
  border-radius:12px;
}

.youtube_lazy .playbtn:before{
  content:"";
  position:absolute;
  top:50%;
  left:55%;
  transform:translate(-50%,-50%);
  border-style:solid;
  border-width:10px 0 10px 16px;
  border-color:transparent transparent transparent #fff;
}